Cruising about the Twin Cities, with his wireless laptop on the seat next to him, Brad Rubin can see one business opportunity after another pop up on his computer screen. His laptop, hooked to a homemade antenna housed in a Pringles can, runs sniffer software that detects wireless networks, even those people have tried to hide.. . .
Cruising about the Twin Cities, with his wireless laptop on the seat next to him, Brad Rubin can see one business opportunity after another pop up on his computer screen. His laptop, hooked to a homemade antenna housed in a Pringles can, runs sniffer software that detects wireless networks, even those people have tried to hide. Many are not protected by encryption, making it easy for someone with a wireless modem to plug into them and snoop -- or worse, Rubin says.

After nearly 20 years of working in the information technology arena in the corporate world, Rubin is trying to establish himself as an independent computer security consultant.

With all the concerns these days about data security and privacy, corporate espionage, cyber-vandalism and, possibly, cyber-terrorism, the outlook is good for the information security market, he expects. And he sees wireless security, in particular, as a solid foundation for a business.

``Wireless vulnerabilities have only recently started to receive national attention,'' he says.

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